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Advisories

OpenEMR < 8.3.0 CSRF via DICOM Viewer web_path Parameter

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severity
medium
date
Affecting

  • openemr < 8.3.0

CWE
  • CWE-352 Cross-Site Request Forgery (CSRF)
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
Alex Williams from Pellera Technologies
Description
OpenEMR before 8.3.0 contains a cross-site request forgery vulnerability in the DICOM viewer. The web_path GET parameter in the DICOM viewer page is embedded unsanitized as a URL without validation against expected path formats. An attacker can craft a URL that causes an authenticated user with Patients - Documents permissions to make authenticated requests to arbitrary OpenEMR endpoints, enabling forced logout and other state-changing actions.

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